Leyland Cypress (Cupressus x leylandii)

Botanical names:
Cupressus x leylandii Accepted
XCuprocyparis leylandii Synonym
XCupressocyparis leylandii Synonym

General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Plant Height: 60 feet
Plant Spread: to 35 feet
Leaves: Evergreen
Flowers: Inconspicuous
Flower Time: Spring
Uses: Windbreak or Hedge
Provides winter interest
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Propagation: Other methods: Cuttings: Stem
Containers: Not suitable for containers
Parentage: Cupressus macrocarpa x Cupressus nootkatensis

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Comments:
Posted by flaflwrgrl (North Fl. - Zone 8b) on Dec 8, 2011 8:34 PM

Leyland Cypresses are gorgeous trees! No doubt about it. They naturally grow in a perfect "Christmas tree" shape and form thick screens for privacy. But unfortunately the Leyland has fallen victim to itself. It has been so loved & so pretty & so fast growing (3' per year) that is has been overplanted & is now suffering the plight of so many popular plants that have been overused.
It was originally relatively free of pests & diseases, but when population explosions happen in the plant world then pests & diseases follow close behind. The Leyland is the victim now of Seiridium and Botryosphaeria cankers, Cercospora needle blight, and Phytophthora and Annosus root rots. These diseases are spreading rapidly from the southernmost range of the Leyland and are killing Leylands fast. In central Florida the nurseries will not even sell Leyland Cypress because of these problems. Alabama & North Carolina are starting to have problems also.

Do yourself a favor & choose something else. It's unfortunate that this has happened but you will regret it when your 40' tall tree dies.

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Discussion Threads about this plant
Thread Title Last Reply Replies
need QUICK tree ID by majaca Sep 7, 2019 11:02 PM 4
Cupressocyparis leylandii 'Irish Eyes' by quercusnut Oct 30, 2017 8:07 AM 3
Identify this tree by INK7 Apr 14, 2017 6:18 PM 2
Privacy Plants by midmod Mar 11, 2016 1:23 PM 28

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